Date: Tue, 2 Dec 2025 21:34:52 +0100
From: Christoph Moench-Tegeder <cmt@burggraben.net>
To: Colin 't Hart <colinthart@gmail.com>
Cc: PostgreSQL General <pgsql-general@lists.postgresql.org>
Subject: Re: wdavdaemon / Microsoft Defender for Endpoint on Linux and slow
 Postgres recovery?
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## Colin 't Hart (colinthart@gmail.com):

> I wonder if anyone here has any experience with configuring exclusions so
> that the WAL files can be processed faster?

https://learn.microsoft.com/en-us/defender-endpoint/linux-exclusions
mind this:
https://learn.microsoft.com/en-us/defender-endpoint/linux-exclusions#supported-exclusion-scopes
and work from these examples (if you're allowed to):
https://learn.microsoft.com/en-us/defender-endpoint/linux-exclusions#example-3-add-or-remove-a-folder-exclusion

> Any advice on what to communicate with their IT department about using this
> on their database servers? I've never encountered it on Linux before...

"Be glad it only slows your database down. All too often, AV/Endpoint
Protection Products just don't like the access pattern and eat your
database for breakfast." There is this joke "it has been 0 days since
Anti-Virus ate a database".

Regards,
Christoph

-- 
Spare Space